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Introducing

OSTO®

The carbon negative lightweight aggregate for carbon zero blockwork.

osto low carbon aggregate in a form of grey granules

Key Information

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    Application: for use in concrete masonry units

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    Particle size: 0 - 6 mm

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    Colour: white/yellow

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    Shape: angular/cylindrical

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    Bulk density: 550 kg/m3

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    Specific density: 1150 kg/m3

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    Lower thermal conductivity

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    Carbon negative

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osto low carbon aggregate in a form of grey granules with an aggregate concrete block standing nearby
osto low carbon aggregate in a form of grey granules with an aggregate concrete block standing nearby

Blocks made with OSTO®

A sample block specification you can achieve using OSTO®.

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    A carbon zero aggregate concrete block

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    Compressional strength of >7.3N/mm2

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    Low thermal conductivity

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    Density of 1450 kg/m3

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    Will conform to BS EN 771-3

aggregate concrete block with sphera logo

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Frequently asked questions

What’s OSTO® made from?
How can I use it?
Where can I buy OSTO®?
Why should I use OSTO®?
What material does OSTO® replace?

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Email:

sales@lowcarbonmaterials.com

sem image of the sphera low carbon aggregate